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Screencast mode fixes #72694

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35 changes: 29 additions & 6 deletions src/vs/workbench/electron-browser/actions/developerActions.ts
Original file line number Diff line number Diff line change
Expand Up @@ -16,6 +16,7 @@ import { Context } from 'vs/platform/contextkey/browser/contextKeyService';
import { StandardKeyboardEvent } from 'vs/base/browser/keyboardEvent';
import { timeout } from 'vs/base/common/async';
import { IWorkbenchLayoutService } from 'vs/workbench/services/layout/browser/layoutService';
import { KeyCode } from 'vs/base/common/keyCodes';

export class ToggleDevToolsAction extends Action {

Expand Down Expand Up @@ -170,7 +171,7 @@ export class ToggleScreencastModeAction extends Action {
const keyboardMarker = append(container, $('div'));
keyboardMarker.style.position = 'absolute';
keyboardMarker.style.backgroundColor = 'rgba(0, 0, 0 ,0.5)';
keyboardMarker.style.width = '100%';
keyboardMarker.style.width = '80%';
keyboardMarker.style.height = '100px';
keyboardMarker.style.bottom = '20%';
keyboardMarker.style.left = '0';
Expand All @@ -181,9 +182,11 @@ export class ToggleScreencastModeAction extends Action {
keyboardMarker.style.textAlign = 'center';
keyboardMarker.style.fontSize = '56px';
keyboardMarker.style.display = 'none';

const onKeyDown = domEvent(container, 'keydown', true);
keyboardMarker.style.paddingLeft = '10%';
keyboardMarker.style.paddingRight = '10%';
const onKeyDown = domEvent(document.body, 'keydown', true);
let keyboardTimeout: IDisposable = Disposable.None;
let isChord: boolean = false;

const keyboardListener = onKeyDown(e => {
keyboardTimeout.dispose();
Expand All @@ -192,10 +195,30 @@ export class ToggleScreencastModeAction extends Action {
const keybinding = this.keybindingService.resolveKeyboardEvent(event);
const label = keybinding.getLabel();

if (!event.ctrlKey && !event.altKey && !event.metaKey && !event.shiftKey && this.keybindingService.mightProducePrintableCharacter(event) && label) {
keyboardMarker.textContent += ' ' + label;
if (event.ctrlKey || event.altKey || event.metaKey) {
if (isChord) {
keyboardMarker.textContent += ' ' + label;
} else {
keyboardMarker.textContent = label;
}
isChord = event.keyCode === KeyCode.KEY_K;
} else if ((keyboardMarker.textContent !== null && label !== null) && (event.keyCode < KeyCode.KEY_0 || (event.keyCode > KeyCode.KEY_Z && event.keyCode < KeyCode.US_SEMICOLON) || event.shiftKey)) {
const lastToken = keyboardMarker.textContent.substr(keyboardMarker.textContent.lastIndexOf(' ') + 1);
if (label.substring(0, lastToken.length) === lastToken) {
if (lastToken.lastIndexOf('+') !== -1 && lastToken.lastIndexOf('+') !== lastToken.length - 1) {
keyboardMarker.textContent += ' ' + label;
} else {
keyboardMarker.textContent = keyboardMarker.textContent.substring(0, keyboardMarker.textContent.lastIndexOf(' ')) + ' ' + label;
}
} else {
keyboardMarker.textContent += ' ' + label;
}
} else {
keyboardMarker.textContent = label;
keyboardMarker.textContent += ' ' + label;
}

while (keyboardMarker.textContent !== null && label !== null && keyboardMarker.scrollHeight > keyboardMarker.clientHeight) {
keyboardMarker.textContent = keyboardMarker.textContent.substring(1);
}

keyboardMarker.style.display = 'block';
Expand Down